CN218960844U

CN218960844U - Retractable drilling device with air stagnation protection

Info

Publication number: CN218960844U
Application number: CN202223224959.2U
Authority: CN
Inventors: 陈宁波; 郝定均; 闫亮
Original assignee: Xian Honghui Hospital
Current assignee: Xian Honghui Hospital
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-05
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a retractable drilling device with a stagnation protection function, which comprises a shell, a transmission motor and a retraction mechanism, wherein the transmission motor is arranged on the shell; the retraction mechanism comprises a drill rod, a return spring and a retractable magnetic valve; after the drill bit contacts the bone, the pressure sensor feeds back to the motor to enable the motor to provide power after detecting data, when the drill bit breaks through a bone interface, after recognizing that the pressure value is reduced, the power of the drill bit is stopped, the drill bit is retracted inwards through the cooperation of the spring and the magnetic valve, the vascular nerve injury is prevented, meanwhile, the ranging camera is arranged at the front end of the shell, the drilling depth of the drill bit is detected, and the medical staff is assisted in judging the depth condition of drilling.

Description

Retractable drilling device with air stagnation protection

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a retractable drilling device with a hysteresis protection function.

Background

The orthopedic drill plays an important role in bone surgery, is an indispensable tool in bone setting and bone fixation surgery, most of clinically used drill clamping drill bits are embedded with three chucks, the chucks are of a triangular structure inwards, the drill bits are clamped through the inwards corners of each chuck, and the combined installation of bones is greatly facilitated by the appearance of an orthopedic electric drill.

In the prior art, the orthopedic drill still has a plurality of defects, the existing orthopedic drill has no retraction function, a drill bit still works when the bone is drilled through in a stagnated state, the working state can not be stopped in time, the retraction is performed, and certain hidden danger exists for fragile blood vessels and nerves of a human body. Therefore, a retractable drilling device with a stagnation protection function is a problem to be solved.

Disclosure of Invention

The utility model aims to provide a retractable drilling device with a standby hysteresis protection function.

In order to solve the technical problems, the technical scheme provided by the utility model is that the retractable drilling device with the hysteresis protection is as follows: comprises a shell, a transmission motor and a retraction mechanism;

a distance measuring sensor is arranged on the conical part at the front end of the shell, and a U-shaped clamping groove matched with the retraction mechanism is arranged at the rear part of the shell;

the transmission motor is arranged at the rear end of the shell, and the front end of the transmission motor extends into the shell and is provided with a pressure sensor which is electrically connected with the transmission motor;

the retraction mechanism comprises a drill rod, a return spring and a retractable magnetic valve; the drill rod is arranged in the shell, the rear end of the drill rod penetrates through the U-shaped clamping groove and is in transmission connection with a motor shaft of the transmission motor, and the front end of the drill rod extends to the outer side of the shell and is provided with a drill bit; the return spring is arranged in the shell, one end of the return spring is connected with the front end of the shell, and the other end of the return spring is connected with the U-shaped clamping groove; the retractable magnetic valve is arranged at the joint of the drill rod and the transmission motor and is electrically connected with the pressure sensor.

As an improvement, the drill bit is a flat head type or a ball head type.

As an improvement, the transmission motor is detachably connected with the rear end of the shell through threads or a nested structure.

As an improvement, the rear end of the transmission motor is provided with a power and data transmission line.

As an improvement, the ranging sensor is a ranging camera or an infrared ranging probe.

Compared with the prior art, the utility model has the advantages that: after the drill bit contacts the bone, the pressure sensor feeds back to the motor to enable the motor to provide power after detecting data, when the drill bit breaks through a bone interface, after recognizing that the pressure value is reduced, the power of the drill bit is stopped, the drill bit is retracted inwards through the cooperation of the spring and the magnetic valve, the vascular nerve injury is prevented, meanwhile, the ranging camera is arranged at the front end of the shell, the drilling depth of the drill bit is detected, and the medical staff is assisted in judging the depth condition of drilling.

Drawings

Fig. 1 is a schematic structural view of a retractable drilling device with a cavitation protection according to the present utility model.

As shown in the figure: 1. the device comprises a shell, a transmission motor, a 3, a retraction mechanism, a 4, a ranging sensor, a 5, a U-shaped clamping groove, a 6, a pressure sensor, a 7, a drill rod, a 8, a return spring, a 9, a retractable magnetic valve, a 10, a power and data transmission line, a 11 and a drill bit.

Detailed Description

The retractable drilling device with the air stagnation protection is further described in detail below with reference to the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to the attached drawings, a retractable drilling device with a stagnation protection function comprises a shell 1, a transmission motor 2 and a retraction mechanism 3;

a distance measuring sensor 4 is arranged on the conical part at the front end of the shell 1, and a U-shaped clamping groove 5 matched with the retraction mechanism 3 is arranged at the rear part;

the transmission motor 2 is arranged at the rear end of the shell 1, and the front end of the transmission motor 2 extends into the shell 1 and is provided with a pressure sensor 6 which is electrically connected;

the retraction mechanism 3 comprises a drill rod 7, a return spring 8 and a retractable magnetic valve 9; the drill rod 7 is arranged in the shell 1, the rear end of the drill rod 7 passes through the U-shaped clamping groove 5 and is in transmission connection with a motor shaft of the transmission motor 2, and the front end of the drill rod extends to the outer side of the shell 1 and is provided with a drill bit 11; the return spring 8 is arranged in the shell 1, one end of the return spring is connected with the front end of the shell 1, and the other end of the return spring is connected with the U-shaped clamping groove 5; the retractable magnetic valve 9 is arranged at the joint of the drill rod 7 and the transmission motor 2, and the retractable magnetic valve 9 is electrically connected with the pressure sensor 6.

The drill bit 11 is a flat head type or a ball head type.

The transmission motor 2 is detachably connected with the rear end of the shell 1 through threads or a nested structure.

The rear end of the transmission motor 2 is provided with a power and data transmission line 10.

The distance measuring sensor 4 is a distance measuring camera or an infrared distance measuring probe.

The utility model discloses a retractable drilling device with a stagnation protection function, which comprises the following specific implementation processes:

when the drill bit 11 drills a nail channel, the pressure is offset to enable the transmission motor 2 to start working and drive the drill bit 11 to drill forwards, when the drill bit 11 breaks through interface idle running, the power of the drill bit 11 is immediately cut off, meanwhile, the built-in return spring 8 rebounds the drill bit 11 by 2mm-5mm, and damage to a human body caused by the drill bit 11 is prevented;

further, a retractable magnetic valve 9 is arranged at the joint of the drill rod 7 and the transmission motor 2, when the drill bit 11 is in a dead space, the power is cut off, and the retractable magnetic valve 9 and the return spring 8 act together to enable the drill bit 11 to retract rapidly;

the distance measuring sensor 4 can detect the depth of the drill bit 11 entering the bone, the interface corresponding to the plane of the drill bit 11 is 0 horizontal plane, and the depth of the drill bit 11 entering is calculated through feedback of the distance measuring sensor 4 to obtain the depth length.

The description is as follows: the transmission motor 2 is provided with a pressure sensor, and the drill bit 11 provides stepless rotation speed according to pressure given by a operator through stepless speed change design, and has large pressure rotation speed, small pressure rotation speed and small rotation speed;

the utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Retractable drilling device with stagnation protection, which is characterized in that: comprises a shell, a transmission motor and a retraction mechanism;

2. A retractable drilling apparatus with hysteretic protection as claimed in claim 1, wherein: the drill bit is flat head type or ball head type.

3. A retractable drilling apparatus with hysteretic protection as claimed in claim 1, wherein: the transmission motor is detachably connected with the rear end of the shell through threads or a nested structure.

4. A retractable drilling apparatus with hysteretic protection as claimed in claim 1, wherein: the rear end of the transmission motor is provided with a power and data transmission line.

5. A retractable drilling apparatus with hysteretic protection as claimed in claim 1, wherein: the distance measuring sensor is a distance measuring camera or an infrared distance measuring probe.